Peanut Butter Swirl Brownies
2/3 cup granulated sugar
1/2 cup packed brown sugar
1/2 cup butter or margarine softened
2 tablespoons milk
3/4 cup all-purpose flour
1/2 teaspoon baking powder
1/4 teaspoon salt
1/4 cup creamy peanut butter
1/3 cup peanut butter chips
1/3 cup baking cocoa
1/3 cup semisweet chocolate chips
Heat oven to 350. Grease square pan, 9 9 2 inches. Beat sugars, butter, milk and eggs in large bowl with electric mixer on medium speed, or mix with spoon.
Stir in flour, baking powder and salt. Divide batter in half (about 1 cup plus 2 tablespoons for each half).
Stir peanut butter and peanut butter chips into one half.
Stir cocoa and chocolate chips into remaining half.
Spoon chocolate batter into pan in 8 mounds in checkerboard pattern. Spoon peanut butter batter between mounds of chocolate batter. Gently swirl through batters with knife for marbled design.
Bake 30 to 35 minutes or until toothpick inserted in center comes out clean. Cool completely. Cut into 4 rows by 4 rows.